Particle Counter Sensor
Particle Counter Sensor ToronOPC™-50/50 delivers precise liquid particle sizing using optical light-blocking technology for portable, inline, and lab contamination monitoring.
Particle Counter Sensor - ToronOPC™ 50/50
Particle Counter Sensor – ToronOPC™-50/50 is a precision analytical sensor designed for use in advanced Portable Particle Counter and Oil Particle Counter systems to detect and quantify solid particles suspended in liquids. Built on proven optical light-blocking technology, this sensor delivers highly accurate particle sizing and counting across a broad range of fluid cleanliness applications. Its compact, rugged design enables seamless integration into inline, portable, or laboratory-based contamination monitoring solutions to support condition-based maintenance and quality control.

Applications
The Particle Counter Sensor – ToronOPC™-50/50 sensor is suitable for a wide range of particle detection and fluid cleanliness measurement tasks, including:
- Hydraulic Oil Monitoring – Detects wear and contamination particles in hydraulic systems for predictive maintenance.
- Lubricating Oil Analysis – Measures particulate levels in industrial and mechanical lubricants to assess fluid health.
- Transformer Insulating Oil Testing – Tracks particle contamination in dielectric oils for power generation and transmission equipment.
- Gear & Engine Oil Inspection – Provides particle size distribution in gear and engine oils to help extend service life and reduce breakdowns.
- Aviation Fuel Quality – Supports clean fluid verification in kerosene and aviation-grade fuels.
- Industrial Fluid Condition Monitoring – Integrates into inline systems for real-time contamination tracking in manufacturing processes.
Standards
The Particle Counter Sensor – ToronOPC™-50/50 sensor supports calibration and reporting compatible with major international cleanliness and fluid contamination standards, including:
- ISO 4402 / ISO 11171 – Fluid particle counting and calibration protocols.
- ISO 4406 (1999/2007/1987) – International fluid cleanliness codes.
- NAS 1638 – Aerospace fluid contamination classification.
- SAE AS4059 – Aerospace and automotive fluid cleanliness standards.
- ROCT 17216 – Russian particle ontamination classification.
- GB/T 14039-2002 – Chinese national fluid cleaning and reporting standard.
- GJB 420A / GJB 420B (1996 / 2006 / 2015) – Chinese military fluid cleanliness standards.
Particle Counter Sensor - ToronOPC™ 50/50 Key Features
- Advanced Optical Light-Blocking Detection
- Uses the light-blocking principle to accurately detect and size particles in a wide range of industrial liquids.
- High-Sensitivity Particle Sensing
- Designed with high-precision optical components to deliver stable measurement performance and high resolution in contamination detection.
- Multi-Channel Particle Size Resolution
- Supports multiple particle size channels with fine resolution, enabling detailed particle size distribution profiling.
- Wide Application Compatibility
- Works with a variety of particle counter systems, including portable, online, and laboratory units, for fluid condition monitoring and cleanliness analysis.
- Robust, Compact Design
- Built for long-term service in portable instruments or fixed installations with reliable optical performance and environmental tolerance.
- Calibration Standard Support
- Compatible with calibration protocols such as ISO 4402 and ISO 11171 to ensure traceable accuracy.
Particle Counter Sensor - ToronOPC™ 50/50 Technical Specifications
| Model | ToronOPC™-50/50 |
|---|---|
| Detection Principle | Optical light-blocking method |
| Particle Size Range | Typically 1 µm – 500 µm (dependent on system configuration) |
| Resolution | Fine channel interval (e.g., 0.1 µm) |
| Sensitivity Threshold | As low as 1 µm (ISO 4402) |
| Measurement Stability | High resolution and repeatability |
| Compatibility | Portable and online particle counter systems |
| Calibration Standards | ISO 4402, ISO 11171 support |
| Operating Environments | High-precision laboratory or field systems |
| Integration | Designed for optical particle counter modules |